The ring size range in China is 4-26, the ring size range in Europe is 44-61, and the ring size range in the United States is 5-12, so the ring size 16 belongs to the Chinese size, and you need to check the ring size comparison table in Chinese Mainland or Hong Kong.
Mainland version ring size comparison chart
According to the table below, the diameter of the mainland version of ring size 16 is 17.8mm, which is 1.78cm; The inner circumference is 56mm, which is 5.6 centimeters.
Hong Kong Ring Size Comparison Table
As shown in the table below,
The diameter of the Hong Kong version of ring size 16 is
18.2mm, which is 1.82 centimeters; The inner circumference is 57mm, which is 5.7 centimeters.
